ENCYCLOPEDIA OF GARDENING. 
_BEARDLESS IRISES: I. aurea, golden yellow, June, 4 ft., Himalayas; foetidis- 
sima (Gladwin Iris), purple, June, 3 ft., Britain; fulva, coppery maroon, June, 
3 ft., U. States; graminea, blue and purple, June, 1 ft., 8, Europe; japonica, 
lavender, June, 18 in., Japan; longipetala, blue, lilac, and gold, June, 2 ft., 
California; Milesii, purple blue, June, 2 ft., Himalayas; missouriensis, lilac and 
yellow, May, 2 ft., N. America; Monneri, lemon yellow, fragrant, June, 3 ft., 
Crete; monspur, lilao blue, June, 4 ft., hybrid; orientalis (Syn. Ochroleuca), white 
and yellow, June, 4 ft., Asia Minor; pseud-acorus (Yellow Water Flag), yellow, May 
and June, 3 ft., Britain; sibirica, blue, May and June, 3 ft., 8. Europe and 
Siberia; spuria, lilac blue, June, 3 ft., Europe; unguicularis (Syn. stylosa), blue, 
Jan. and Feb., 9 ft., Algeria; verna, violet blue, fragrant, March, 3 in., N. America; 
versicolor, purple, May, 2 ft., N. America. Hore also numerous varieties exist 
which may be found in trade lists. ; 
CUSHION IRISES: I. bismarckiana, purple, yellow, blue, and white, June, 9 in., 
Mt. Lebanon; Gatesii, grey, purple, and white, June, 2 ft., Armenia; iberica, lilac, 
white and purple, May, 6 in., Caucasus; Korolkowii, white and red, May, 1 ft., 
Turkestan; Lortetii, creamy white and rose, 8. Lebanon, 1 ft.; paradoxa, white, 
blue, and crimson, May, Persia; susiana (Mourning Iris), brown, black, and lilac, 
May, 1 ft., Levant. 
JAPANESE IRISES: I, levigata (Syn. Kempferi), white, lilac, magenta, purple, 
and yellow, June, 2 ft., Japan. Numerous varieties will be found in trade lists. 
BULBOUS-ROOTED IRISES: I. alata, lilac, purple and yellow, Oct., 1 f[t., 
S. Europe; bakeriana, white, violet, and blue, fragrant, Jan., 1 ft., Armenia; 
Histrio, lilac, Feb., 1 ft., Palestine; orchioides, yellow, April, 9 in., Turkestan; 
persica, yellow, lilac and green, Feb., 3 in., Persia; reticulata, violet, purple and 
yellow, violet scented, Feb., 6 in., Caucasus; and its varieties, histrioides, Krelagei, 
and major; tingitana, lilac-purple, March, 2 ft., Tangier; xiphioides (English 
Iris), various colours, 1 to 2 ft., Pyrenees; and Xiphium (Spanish Iris), various 
colours, June, 1 to 2 ft., S. Europe. ; 
Irish Furze (Ulex europaus strictus)—See Ulex. 
Irish Heath (Daboécia polifolia)—See Daboécia. 
Irish Ivy (Hedera helix canariensis).—See Hedera. ; 
Irish Juniper (Juniperus communis hibernica)—See Juniperus. 
Irish Yew (Taxus baccata fastigiata)—See Taxus. 
lron-weed.—See Vernonia. 
Isle of Bourbon Tea-plant (Angraecum fragrans). — See 
Angraecum, , 
Ismene.—See Hymenocallis, 
tsolepis.—sSee Scirpus. , 
tsoloma.—Ord, Gesneracex. Stove flowering herbs. The plants 
known as Tydzas are now merged in this genus. 
CULTURE: Compost, two parts fibrous peat, one part loam, one part 
leaf-mould, with a little decayed manure & silver sand. Position, well- 
drained pots or pans in shady part of plant stove. Pot, March to flower 
in summer; May to flower in autumn; June to flower in winter. Place 
tubers 1 in. deep singly in 5 in. pots, or 1 to 2 in, apart in larger sizes. 
Water moderately from time growth begins until plants are 3 or 4in. 
high, then freely. After flowering gradually withhold water till foliage 
dies down, then keep dry till potting time. Apply weak liquid manure 
once or twice a week when flower buds show. Syringing not required. 
Temp., March to Sept. 65° to 85°; Sept. to March 55° to 75°. Store 
when foliage has died down on their sides under stage till potting time 
in temp. of 50° to 55°. Propagate by seeds sown on surface of well- 
drained pots of sandy peat, in temp. 75°, March or April; cuttings of 
young shoots inserted in pots of sandy peat in temp. 75° to 85° in 
spring; fully matured leaves pegged on surface of pots of sandy peat 
in temp. 75° to 85°. Ae, 
SPECIES CULTIVATED: I. digitalifiorum, rose, purple, and white, winter, 1 ft.; 
hondense (Syn. Gesnera hondense), yellow, red, winter, 1 ft., New Grenada; Lin- 
deni (Syn. Tyda Lindeni), white and violet, winter, 1 ft., Ecuador. a 
Isopyrum.—Ord. Ranunculacee. Hardy herbaceous perennial. 
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